如何在邮件通知laravel上添加条件? [英] How can I add condition on mail notification laravel?

问题描述

我使用laravel 5.3

I use laravel 5.3

我的通知laravel像这样:

My notication laravel like this :

<?php
namespace App\Notifications;
use Illuminate\Bus\Queueable;
use Illuminate\Contracts\Queue\ShouldQueue;
use Illuminate\Notifications\Messages\MailMessage;
use Illuminate\Notifications\Notification;
use Illuminate\Contracts\Broadcasting\ShouldBroadcast;
use Illuminate\Notifications\Messages\BroadcastMessage; 
class GuestRegistered extends Notification implements ShouldBroadcast, ShouldQueue
{
    use Queueable;
    private $data;
    public function __construct($data)
    {
        $this->data = $data;
    }
    public function via($notifiable)
    {
        return ['mail'];
    }
    public function toMail($notifiable)
    {
        return (new MailMessage)
                    ->subject('test')
                    ->greeting('Hi')
                    ->line('Thanks')
                    ->line('Your password : '.$this->data)
                    ->action('Start Shopping', url('/'));
    }
}

我想在toMail方法中添加条件

I want to add condition in toMail method

因此，如果$this->data不存在，则->line('Your password : '.$this->data)不显示或不执行

So if $this->data not exist then ->line('Your password : '.$this->data) not display or not executed

我该怎么办?

推荐答案

您可以将MailMessage实例存储为变量，使用if语句然后将其返回.

You can store the MailMessage instance as a variable, use an if statement and then return it.

public function toMail($notifiable)
{
    $mailMessage = new MailMessage();

    $mailMessage
        ->subject('test')
        ->greetings('Hi')
        ->line('Thanks');

    if($this->data) {
        $mailMessage->line('Your password: ' . $this->data);
    }   

    $mailMessage->action('Start Shopping', url('/'));

    return $mailMessage;
}

请不要忘记为$data参数添加默认值.

Don't forget adding a default value for the $data parameter.

public function __construct($data = null)
{
    $this->data = $data;
}

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